High severity · published May 12, 2026
CVE-2026-20767
Improper input validation for some Intel(R) QAT software drivers for Windows before version 1.13 within Ring 3: User Applications may allow an escalation of privilege
7.8
CVSS
0.1%
EPSS
No
On KEV
Description
Improper input validation for some Intel(R) QAT software drivers for Windows before version 1.13 within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IQ
Intel(R) QAT software drivers for Windows ·
before version 1.13 · source: vendor
QT
Quickassist Technology · Intel
before 1.13.0-0021 · source: NVD
Affected product
IQ
Intel(R) QAT software drivers for Windows
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-20767
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-20767
Vendor Advisory
https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01387.html
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